東莞(guan)市銳(rui)鑫機電(dian)有限公司
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B棟(dong)401
具體參數
拖泵銑齒方法和工藝(yi)過程(cheng)
在普通臥(wo)式銑(xian)床上(shang),采用帶有轉盤(pan)的(de)分(fen)(fen)度(du)(du)頭(tou)(tou)進(jin)行(xing)分(fen)(fen)度(du)(du)。具體方法是想將齒(chi)(chi)(chi)(chi)坯(pi)固定(ding)在分(fen)(fen)度(du)(du)頭(tou)(tou)上(shang),見 調(diao)整分(fen)(fen)度(du)(du)頭(tou)(tou)傾(qing)角(jiao),將分(fen)(fen)度(du)(du)頭(tou)(tou)扳(ban)起一個角(jiao)度(du)(du),該(gai)角(jiao)度(du)(du)等于(yu)錐(zhui)(zhui)齒(chi)(chi)(chi)(chi)輪(lun)根錐(zhui)(zhui)角(jiao)δf,用切(qie)痕法使銑(xian)刀(dao)廓(kuo)形 的(de)對稱線對準齒(chi)(chi)(chi)(chi)坯(pi)的(de)中心,調(diao)整切(qie)削(xue)深度(du)(du),以大端為基準,將工(gong)作臺升高(gao)一個大端全齒(chi)(chi)(chi)(chi)高(gao)后(hou)(hou),先銑(xian)齒(chi)(chi)(chi)(chi) 槽(cao)的(de)中部(bu),由(you)于(yu)此(ci)時采用的(de)直齒(chi)(chi)(chi)(chi)錐(zhui)(zhui)齒(chi)(chi)(chi)(chi)輪(lun)成形銑(xian)刀(dao)的(de)厚度(du)(du)是按照略小于(yu)錐(zhui)(zhui)齒(chi)(chi)(chi)(chi)輪(lun)小端的(de)齒(chi)(chi)(chi)(chi)槽(cao)寬度(du)(du)設計的(de), 所(suo)以齒(chi)(chi)(chi)(chi)槽(cao)中部(bu)銑(xian)好后(hou)(hou),齒(chi)(chi)(chi)(chi)輪(lun)大端和(he)兩側面(mian)還有一定(ding)加(jia)工(gong)余(yu)量,因此(ci),還要對上(shang)述(shu)部(bu)位進(jin)行(xing)加(jia)工(gong)。
此時, 將(jiang)分度頭(tou)底座(zuo)在水平(ping)面(mian)旋(xuan)(xuan)轉一個α角(jiao),使銑(xian)刀(dao)廓形(xing)對(dui)稱線和齒坯(pi)軸線成一個角(jiao)度,同時適(shi)當移(yi)動(dong)橫向 工(gong)作(zuo)臺(tai)(移(yi)動(dong)量可以通(tong)過試(shi)切來確定(ding)),先將(jiang)齒槽(cao)一側的余量銑(xian)去(qu),然后(hou)再(zai)將(jiang)分度頭(tou)底座(zuo)反(fan)向旋(xuan)(xuan) 轉2α角(jiao),橫向工(gong)作(zuo)臺(tai)也反(fan)向移(yi)動(dong),銑(xian)削齒槽(cao)的另(ling)一側面(mian)余量。